Summer on Uranus lasts for 21 years.
358
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Lightning strikes about 6,000 times per minute on this planet!
158
Pluto is smaller than Russia.
9
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9